Question

Sum of-3a+2b-4c, 9a-5b+2c and -5a+4b+3c is​

Answer 1

Answer:

Solution

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Correct option is

A

8a

2

b.

If we add 3a

2

,−4a

2

b,9a

2

b then we get,

3a

2

b−4a

2

b+9a

2

b

=−a

2

b+9a

2

b

=8a

2

b.